Table 2.

Wavelengths. Modified from [15].

Colour	Wavelength
Extreme violet	400 nm
Middle violet	420 nm
Blue-violet	440 nm
Middle blue (icy blue)	470 nm
Blue-green	500 nm
Green	530 nm
Green-yellow	560 nm
Sunlight	570 nm
Yellow	580 nm
Orange-yellow	590 nm
Orange	600 nm
Red-orange	610 nm
Light red	650 nm
Dark red	780 nm